20841236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3677}}^1$

素因数の和:3803

約数の個数: 24

約数和(自身を含む): 39648840

約数和(自身を除く): 18807604

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 3677, 5668, 7354, 14708, 47801, 95602, 191204, 400793, 801586, 1603172, 5210309, 10420618, 20841236]

約数ペア:

[(1, 20841236), (2, 10420618), (4, 5210309), (13, 1603172), (26, 801586), (52, 400793), (109, 191204), (218, 95602), (436, 47801), (1417, 14708), (2834, 7354), (3677, 5668)]